CN108275478B

CN108275478B - Environment-friendly proportioning bin

Info

Publication number: CN108275478B
Application number: CN201810166569.3A
Authority: CN
Inventors: 于跃华; 张立有
Original assignee: Ningxia Lanhu New Material Technology Co ltd
Current assignee: Ningxia Lanhu New Material Technology Co ltd
Priority date: 2018-02-28
Filing date: 2018-02-28
Publication date: 2023-06-23
Anticipated expiration: 2038-02-28
Also published as: CN108275478A

Abstract

The invention relates to an environment-friendly proportioning bin, which comprises a proportioning unit, wherein the proportioning unit comprises a proportioning bin, an electromagnetic vibration feeder, a distribution bin and a lifting mechanism, the distribution bin comprises two guide plates, a bottom turning plate, a first discharging hole and a second discharging hole, the guide plates are in a V shape, a first rotating shaft is arranged in the middle of the bottom turning plate in a penetrating way, one end of the first rotating shaft is driven to rotate by a first motor, the electromagnetic vibration feeder is used for quantitatively feeding, the proportioning is accurate, the electromagnetic vibration feeder is hoisted on the proportioning bin by utilizing a spring, the electromagnetic vibration feeder can be used for providing power for blanking for the proportioning bin by utilizing the vibration of the electromagnetic vibration feeder, the blocking is avoided, the distribution bin is used for alternately feeding for the lifting mechanism, the configuration quantity of the electromagnetic vibration feeder is reduced, the equipment structure is effectively simplified, and the energy consumption is reduced; meanwhile, the powder leakage point is reduced, and dust pollution can be reduced.

Description

Environment-friendly proportioning bin

Technical Field

The invention relates to the technical field of proportioning bins, in particular to an environment-friendly proportioning bin.

Background

The energy conservation and emission reduction are main directions of the development of national economy in the future, the metallurgical industry is the national economy foundation and the large energy consumption consumer, and the energy consumption level of the metallurgical industry is the key industry of national energy conservation and emission reduction and directly depends on the device scale, the technical level, the complete set capacity and the like. When ferrosilicon is smelted, raw materials are poured into a batching bin by a forklift, and then are batched by quantitative feeding and are alternately sent into an ore heating furnace by two lifting hoppers. Because two lifting hoppers are adopted to work alternately, the working efficiency is improved, but in the process, two feeders are required to be arranged for feeding the corresponding lifting hoppers respectively for each raw material bin, the equipment configuration is complex, the raw material conveying amount in the ferrosilicon smelting process is large, and the problems of energy consumption and dust pollution in the production process are particularly remarkable.

Disclosure of Invention

In view of the above, it is necessary to provide an environment-friendly proportioning bin which is beneficial to energy conservation and emission reduction.

The environment-friendly proportioning bin comprises a proportioning unit, wherein the proportioning unit comprises a proportioning bin, four electromagnetic vibration feeders, a proportioning bin and a lifting mechanism; the proportioning bin is divided into four independent first bins, second bins, third bins and fourth bins; the first bin, the second bin and the third bin are arranged side by side and are positioned on the left side of the proportioning bin, the fourth bin is positioned on the right side of the proportioning bin, the discharge ports of the first bin, the second bin, the third bin and the fourth bin are respectively communicated with the feed inlet of an electromagnetic vibration feeder correspondingly so as to quantitatively convey respective materials to the proportioning bin, and the front end and the rear end of the electromagnetic vibration feeder are elastically connected with the bins through springs so as to enable the electromagnetic vibration feeder to vibrate and be transmitted to the bins; the distribution bin comprises a bin body, guide plates, a bottom turning plate, a first discharging hole and a second discharging hole, wherein one guide plate is respectively arranged on two opposite inner side walls on the upper part of the bin body below the first discharging hole and the second discharging hole, the two guide plates are symmetrical with each other in the center of the bin body and form a V-shaped shape, the first discharging hole and the second discharging hole which are symmetrically arranged are arranged below the bin body, the bottom turning plate is arranged above the first discharging hole and the second discharging hole on the inner side of the bin body, the middle part of the bottom turning plate is communicated with and provided with a first rotating shaft, one end of the first rotating shaft is driven to rotate by a first motor, so that the bottom turning plate rotates clockwise or anticlockwise, materials on the bottom turning plate are led into the first discharging hole or the second discharging hole, and then are poured into the lifting mechanism from the first discharging hole or the second discharging hole.

Preferably, the lifting mechanism comprises a lifting hopper and a guide rail; the lifting hoppers are two and are respectively communicated with a first discharging hole and a second discharging hole of the distribution bin, the two lifting hoppers alternately convey materials to the submerged arc furnace, roller groups are respectively arranged on the front side and the rear side of each lifting hopper, the roller groups on the two sides of each lifting hopper are respectively provided with a guide rail matched with the roller groups, the section of each guide rail is in a groove shape, one opening end of each guide rail is positioned on one side of each roller group, each roller group comprises a gear and a bearing, racks matched with the gears are arranged at the bottoms of the inner sides of the guide rails, the gears rotate under the driving of the motors and move along the racks, the bearings are in rolling fit with the top wall of the inner sides of the guide rails so as to move the limiting roller groups along the trend of the guide rails, and the guide rails are sequentially arranged into an ascending section, an arc transition section and a descending section from bottom to enable the materials to be automatically turned into the submerged arc furnace when the lifting hoppers reach the descending section.

Preferably, the end surfaces of the two ends of the guide rail are closed.

Preferably, a shed roof is mounted on the proportioning bin, the shed roof is fixed on the upper portion of the proportioning bin through a plurality of support columns, the bin further comprises a dust removing unit, the dust removing unit comprises a dust removing main pipe, a dust removing main pipe and four dust removing branch pipes, the dust removing main pipe is respectively and fixedly mounted on the periphery of the shed roof, a plurality of horn mouth dust removing hoods are axially arranged on the annular wall of the dust removing main pipe, a larger opening of the dust removing hoods points to the proportioning bin at the lower portion of the dust removing main pipe, a smaller opening of the dust removing hoods is communicated with the dust removing main pipe, the dust removing main pipe is arranged at the top of the middle position of the shed roof, one end of the dust removing main pipe is closed, the other end of the dust removing main pipe is communicated with an inlet of dust removing equipment, and a plurality of dust removing branch pipes which are mutually parallel are communicated with the dust removing main pipe and the dust removing main pipe respectively at two ends of the dust removing branch pipes.

Preferably, the bin further comprises a dustproof curtain unit, wherein the dustproof curtain unit comprises a rack rod, a sliding block and dustproof canvas; the rack bar is horizontally arranged on a support column of the shed roof, a slide block is arranged on the rack bar, the slide block can linearly reciprocate along the rack bar, a second rotating shaft is arranged in the slide block and meshed with the rack bar to rotationally drive the slide block to linearly reciprocate through the second rotating shaft, one end of the second rotating shaft is coaxially connected with an output shaft of a second motor, the second rotating shaft is driven to rotate by the second motor, a plurality of mounting holes are formed in the edge of one side of the dustproof canvas at intervals, the dustproof canvas is sleeved on the rack rod through the mounting holes, one side of the dustproof canvas is fixedly connected with the sliding block through the connecting hooks in a detachable mode, and the other side of the dustproof canvas is fixedly connected with one end of the rack rod.

Preferably, the environment-friendly proportioning bin further comprises a control module, the control module comprises a controller, a first position sensor and a first weighing unit, the guide rail comprises a first guide rail and a second guide rail, the lifting hopper arranged on the first guide rail is a first lifting hopper, the lifting hopper arranged on the second guide rail is a second lifting hopper, the first position sensor is arranged at the bottom end part of the first guide rail and used for detecting first position information of the first lifting hopper reaching the bottom of the first guide rail and providing the first position information to the controller, the controller sends a first forward rotation signal to a first motor for controlling the bottom turning plate to rotate according to the first position information, the bottom turning plate turns towards a direction close to the first lifting hopper according to the first forward rotation signal, the first weighing unit is arranged on the side wall of the first lifting hopper and used for weighing the first actual weight of the materials in the first lifting hopper and providing the first actual weight to the controller, the controller compares the first actual weight with a preset reference weight and sends a first reversing signal to the first motor according to a comparison result so that the first motor drives the bottom turning plate to reversely rotate to a horizontal state to plug the first discharging hole, and the controller sends a starting signal to a driving part for controlling the driving of the first lifting hopper according to the comparison result so that the first lifting hopper moves upwards along the first guide rail.

Preferably, the control module further comprises a second position sensor and a second weighing unit, the second position sensor is arranged at the bottom end part of the second guide rail and used for detecting second position information of the second lifting hopper reaching the bottom of the second guide rail and providing the second position information to the controller, the controller sends a second forward rotation signal to the first motor for controlling the bottom turning plate to rotate according to the second position information, the bottom turning plate turns over towards a direction close to the second lifting hopper according to the second forward rotation signal, so that materials in the distribution bin flow into the second lifting hopper along a second discharge hole, the second weighing unit is arranged on the side wall of the second lifting hopper and used for weighing second actual weight of the materials in the second lifting hopper and providing the second actual weight to the controller, the controller compares the second actual weight with a preset reference weight, and sends a second reverse rotation signal to the first motor according to a comparison result, the first motor drives the bottom turning plate to rotate reversely to a horizontal state, the second discharging hole is driven by the first motor, the second lifting hopper is driven by the controller to move upwards according to a second comparison result, and the second lifting hopper is driven by the second control unit to drive a part to move upwards along the second lifting hopper.

Preferably, the control module further comprises a timer, the controller sends a first forward rotation signal to the first motor, and simultaneously controls the four electromagnetic vibration feeders to work at a first frequency, a second frequency, a third frequency and a fourth frequency according to the signals for starting vibration, and controls the timer to synchronously count, the timer records the continuous running time of the electromagnetic vibration feeders, when reaching preset time, the timer sends a signal for reaching the preset time to the controller, the controller receives the signal for reaching the time sent by the timer, controls the timer to stop counting, and controls the four electromagnetic vibration feeders to stop working.

Preferably, the controller sends a second forward rotation signal to the first motor, and simultaneously controls the four electromagnetic vibration feeders to work at a first frequency, a second frequency, a third frequency and a fourth frequency respectively according to the signals for starting vibration, and controls the timer to synchronously count, the timer records the continuous operation time of the electromagnetic vibration feeders, when reaching preset time, the timer sends a signal for reaching the designated time to the controller, the controller receives the signal for reaching the time sent by the timer, controls the timer to stop counting, and controls the four electromagnetic vibration feeders to stop working.

According to the invention, the electromagnetic vibration feeder is used for quantitatively feeding, so that accurate batching can be ensured, the electromagnetic vibration feeder is hoisted on the batching bin by utilizing a spring, the vibration of the electromagnetic vibration feeder can be utilized to provide feeding power for the batching bin, material blocking is avoided, the batching bin is utilized to alternately charge the lifting mechanism, the configuration quantity of the electromagnetic vibration feeder can be reduced, the equipment structure is effectively simplified, and the energy consumption is reduced; meanwhile, the powder leakage point is reduced, and dust pollution can be reduced.

Drawings

Fig. 1 is an isometric view of the environment-friendly proportioning bin.

Fig. 2 is a cross-sectional view of the dispensing bin.

Fig. 3 is a partial view showing the connection relationship of the lift hopper and the guide rail.

Fig. 4 is a partial view of the dust removing unit.

Fig. 5 is an enlarged view of a portion of the dust hood.

Fig. 6 is a partial view of the dust curtain unit.

In the figure: the material proportioning unit 10, the proportioning bin 11, the first bin 111, the second bin 112, the third bin 113, the fourth bin 114, the electromagnetic vibration feeder 12, the spring 121, the distributing bin 13, the guide plate 131, the bottom turning plate 132, the first rotating shaft 1321, the first discharging port 133, the second discharging port 134, the lifting mechanism 14, the lifting hopper 141, the roller set 1411, the gear 14111, the bearing 14112, the guide rail 142, the ascending slope section 1421, the circular arc transition section 1422, the descending slope section 1423, the dust removing unit 20, the dust removing main pipe 21, the dust removing main pipe 22, the dust removing branch pipe 23, the dust removing cover 211, the dust preventing curtain unit 30, the rack bar 31, the sliding block 32 and the dust preventing canvas.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Referring to fig. 1 and 2, an embodiment of the present invention provides an environment-friendly proportioning bin, which comprises a proportioning unit 10, wherein the proportioning unit 10 comprises a proportioning bin 11, four electromagnetic vibration feeders 12, a proportioning bin 13 and a lifting mechanism 14; the proportioning bin 11 is divided into four independent first bins 111, second bins 112, third bins 113 and fourth bins 114; the first bin 111, the second bin 112 and the third bin 113 are arranged side by side and are positioned on the left side of the proportioning bin 11, the fourth bin 114 is positioned on the right side of the proportioning bin 11, the discharge ports of the first bin 111, the second bin 112, the third bin 113 and the fourth bin 114 are respectively correspondingly communicated with the feed port of one electromagnetic vibration feeder 12 so as to quantitatively convey respective materials to the proportioning bin 13, and the front end and the rear end of the electromagnetic vibration feeder 12 are elastically connected with the bins through springs 121 so as to enable the electromagnetic vibration feeder 12 to vibrate and be transmitted to the bins; the distribution bin 13 comprises a bin body, guide plates 131, a bottom turning plate 132, a first discharge hole 133 and a second discharge hole 134, wherein one guide plate 131 is respectively arranged on two opposite inner side walls on the upper part of the bin body below the first discharge hole 133 and the second discharge hole 134, the two guide plates 131 are symmetrical with each other in the center of the bin body and form a V-shaped shape, the first discharge hole 133 and the second discharge hole 134 which are symmetrically arranged are arranged below the bin body, the bottom turning plate 132 is arranged above the first discharge hole 133 and the second discharge hole 134 on the inner side of the bin body, the first rotating shaft 1321 is arranged in the middle of the bottom turning plate 132 in a penetrating way, one end of the first rotating shaft 1321 is driven to rotate by a first motor, so that the bottom turning plate 132 rotates clockwise or anticlockwise, materials on the bottom turning plate 132 are led into the first discharge hole 133 or the second discharge hole 134, and then are poured into the lifting mechanism 14 from the first discharge hole 133 or the second discharge hole 134.

In the embodiment, the two guide plates 131 are symmetrical with the center of the bin body and form a V shape so as to intensively guide the materials conveyed from the discharge port of the electromagnetic vibration feeder 12 to the bottom turning plate 132 arranged below the guide plates 131; as shown in fig. 2, when the bottom turning plate 132 is in the turning position, the higher side of the bottom turning plate 132 is not in contact with the side wall of the bin body, a gap exists between the higher side and the side wall of the bin body, and the gap is located below the discharge hole, so that the problem that the material leaks from the gap is solved, the guide plate 131 is provided, and the gap is blocked by the mode that the higher side of the bottom turning plate 132 is overlapped with the guide plate 131, so that the end of the material is not allowed to fall. .

According to the invention, the electromagnetic vibration feeder 12 is adopted for quantitative feeding, so that accurate material mixing can be ensured, the electromagnetic vibration feeder 12 is hoisted on the material mixing bin by utilizing the spring 121, the vibration of the electromagnetic vibration feeder 12 can be utilized to provide the power for discharging the material mixing bin, the material blocking is avoided, the material mixing bin 13 is utilized to alternately charge the lifting mechanism 14, the configuration quantity of the electromagnetic vibration feeder 12 can be reduced, the equipment structure is effectively simplified, and the energy consumption is reduced; meanwhile, the powder leakage point is reduced, and dust pollution can be reduced.

Referring to fig. 1 and 3, further, the lifting mechanism 14 includes a lifting hopper 141, a guide rail 142; the two lifting hoppers 141 are respectively communicated with the first discharging hole 133 and the second discharging hole 134 of the distribution bin 13, the two lifting hoppers 141 alternately convey materials to the submerged arc furnace, roller groups 1411 are respectively arranged on the front side and the rear side of each lifting hopper 141, each roller group 1411 on the two sides of each lifting hopper 141 is correspondingly provided with a guide rail 142 matched with the corresponding roller group, the section of each guide rail 142 is in a groove shape, one opening end of each guide rail 142 is positioned on one side of each roller group 1411, each roller group 1411 comprises a gear 14111 and a bearing 14112, racks matched with the gears 14111 are arranged at the bottom of the inner sides of the guide rails 142, the gears 14111 are driven by a motor to rotate and move along the racks, the bearings 14112 are in rolling fit with the top wall of the inner sides of the guide rails 142 so as to move the limiting roller groups 1411 along the trend of the guide rails 142, and the guide rails 142 are sequentially arranged into an ascending section 1421, an arc transition section 1422 and a descending section 1423 from bottom to enable the materials to be automatically turned into the submerged arc furnace when the lifting hoppers 141 reach the descending section 1423.

In this embodiment, the rack of the groove-shaped guide rail 142 of the gear 14111 of the roller set 1411 is matched and driven, the bearing 14112 of the roller set 1411 is matched with the top wall of the groove-shaped guide rail 142 in a rolling manner, so that derailment of the lifting hopper 141 can be avoided, and the downhill section 1423 arranged on the guide rail 142 can enable the discharge port of the lifting hopper 141 to turn over, so that automatic discharging is realized.

Referring to fig. 3, further, the end surfaces of both ends of the guide rail 142 are closed to restrict the lift hopper 141 from sliding out of the end of the guide rail 142.

Referring to fig. 1, 4 and 5, further, a shed roof is mounted on the proportioning bin 11, the shed roof is fixed on the upper portion of the proportioning bin 11 through a plurality of support columns, the bin further comprises a dust removing unit 20, the dust removing unit 20 comprises four dust removing main pipes 21, dust removing main pipes 22 and dust removing branch pipes 23, the four dust removing main pipes 21 are respectively and fixedly mounted on the periphery of the shed roof, a plurality of horn mouth dust removing covers 211 are axially arranged on the annular wall of the dust removing main pipe 21, a larger opening of the dust removing covers 211 points to the proportioning bin 11 on the lower portion of the dust removing main pipes, a smaller opening of the dust removing covers 211 is communicated with the dust removing main pipe 21, the dust removing main pipes 22 are arranged on the top of the middle position of the shed roof, one end of the dust removing main pipe 22 is closed, the other end of the dust removing main pipe is communicated with an inlet of dust removing equipment, a plurality of dust removing branch pipes 23 which are mutually parallel arranged are communicated with two side walls of the dust removing main pipes 21 and the dust removing main pipes 22 respectively.

In the embodiment, the dust removing unit 20 is arranged on the top of the shed, so that dust scattering during loading of the proportioning bin can be reduced to pollute the environment; the plurality of horn mouth dust covers 211 are arranged around the top of the shed, so that dust is prevented from diffusing to the outside of the storage bin, and a good dust removing effect is achieved.

Referring to fig. 1 and 6, further, the bin further includes a dust curtain unit 30, the dust curtain unit 30 including a rack bar 31, a slider 32, and a dust canvas 33; the rack bar 31 is horizontally arranged on a support column of the shed roof, the rack bar 31 is provided with a sliding block 32, the sliding block 32 can linearly reciprocate along the rack bar 31, a second rotating shaft is arranged in the sliding block 32 and meshed with the rack bar 31, the sliding block 32 is driven to linearly reciprocate through the rotation of the second rotating shaft, one end of the second rotating shaft is coaxially connected with an output shaft of a second motor, the second rotating shaft is driven to rotate through the second motor, a plurality of mounting holes which are horizontally arranged at intervals are formed in the edge of one side of the dustproof canvas 33, the dustproof canvas 33 is sleeved on the rack bar 31 through the mounting holes, one side of the dustproof canvas 33 is detachably and fixedly connected with the sliding block 32 through a connecting hook, and the other side of the dustproof canvas 33 is fixedly connected with one end of the rack bar 31.

In the embodiment, the dustproof canvas 33 curtain is arranged, so that dust is isolated from the outside after the forklift finishes loading, and environmental pollution is avoided; the dustproof canvas 33 is driven to reciprocate left and right by the meshing transmission of the sliding block 32 and the rack bar 31 to be opened or closed, so that the inconvenience of manual operation is solved.

Further, environment-friendly proportioning bins still includes control module, control module includes the controller, a first position sensor, a first weighing unit, guide rail 142 includes first guide rail, the second guide rail, the promotion hopper 141 of setting on first guide rail is first promotion hopper, the promotion hopper 141 of setting on the second guide rail is second promotion hopper, a first position sensor is set up at the bottom tip of first guide rail, a first position sensor is used for detecting first promotion hopper and reaches the first position information of first guide rail bottom, and provide a first position information to the controller, the controller is according to first position information to control bottom and turn over board 132 pivoted first motor and send first forward rotation signal, bottom turns over board 132 according to first forward rotation signal and turns over to the direction that is close to first promotion hopper, so that the material in the distribution bin 13 flows in to first promotion hopper along first discharge gate 133, a first weighing unit sets up on the lateral wall of first promotion hopper, a first actual weight for weighing the material in the first promotion hopper, and provide a first actual weight to the controller, a controller is with a first motor and be pre-set up weight and is compared with actual weight, and send a first motor is reverse rotation signal to first control board 132 and is carried out to drive the first control board 132 and is rotated to the first control result along the first guide rail, a first control channel is rotated to the first and is made to be more than the first to the first control board 132 and is rotated to the first hopper, the first material is driven to the first material is more than the first material, and is more than the first material in the first material hopper is in the first lifting hopper.

Further, the control module further comprises a second position sensor and a second weighing unit, the second position sensor is arranged at the bottom end part of the second guide rail and used for detecting second position information of the second lifting hopper reaching the bottom of the second guide rail and providing the second position information to the controller, the controller sends a second forward rotation signal to the first motor for controlling the bottom turning plate 132 to rotate according to the second position information, the bottom turning plate 132 turns over towards a direction close to the second lifting hopper according to the second forward rotation signal, so that materials in the distribution bin 13 flow into the second lifting hopper along the second discharge hole 134, the second weighing unit is arranged on the side wall of the second lifting hopper and used for weighing second actual weight of the materials in the second lifting hopper and providing the second actual weight to the controller, and the controller compares the second actual weight with a preset reference weight and sends a second reverse rotation signal to the first motor according to the comparison result, so that the first motor drives the bottom turning plate 132 to reversely rotate to a horizontal state, the second discharge hole 134 is further driven by the controller according to the comparison result, and the second driving signal sent to the second lifting hopper is controlled to drive the second lifting hopper to move upwards along the second guide rail.

The above two embodiments can realize the alternate loading and unloading of the two lifting hoppers 141, and the sequential operation sequence of the first lifting hopper and the second lifting hopper is controlled sequentially according to the program output by presetting a control program in the controller.

When the controller receives the first position information and the second position information at the same time, the charging action of one of the lifting hoppers 141 is firstly executed according to the preset sequence in the controller, the charging action of the other lifting hopper 141 is in a waiting state, when the lifting hopper 141 in the charging state is in the lifting state, the position information of the lifting hopper 141 in the charging state is not triggered any more, at the moment, the position information of the lifting hopper 141 which sequentially executes the operation in the control program is valid, and the charging action of the corresponding lifting hopper 141 is started to be executed. The alternate loading and unloading and automatic control thereof can greatly improve the production efficiency and reduce the labor intensity of workers.

Further, the control module further includes a timer, the controller sends a first forward rotation signal to the first motor, and controls the four electromagnetic vibration feeders 12 to operate at a first frequency, a second frequency, a third frequency and a fourth frequency according to the signals for starting vibration, and controls the timer to synchronously count, the timer records the continuous operation time of the electromagnetic vibration feeders 12, when reaching a preset time, the timer sends a signal for reaching a specified time to the controller, the controller receives a signal for reaching the time sent by the timer, controls the timer to stop counting, and controls the four electromagnetic vibration feeders 12 to stop operating.

Further, the controller sends a second forward rotation signal to the first motor, and at the same time, controls the four electromagnetic vibration feeders 12 to work at a first frequency, a second frequency, a third frequency and a fourth frequency according to the signals for starting vibration, and controls the timer to synchronously count, the timer records the continuous operation time of the electromagnetic vibration feeders 12, when reaching a preset time, the timer sends a signal for reaching a specified time to the controller, the controller receives a signal for reaching the time sent by the timer, controls the timer to stop counting, and controls the four electromagnetic vibration feeders 12 to stop working.

In the present embodiment, a certain amount of material is conveyed by the electromagnetic vibration feeder 12, a corresponding working frequency is set in the controller according to the physical properties of the material, and in a certain working time, the working frequency of the electromagnetic vibration feeder 12 is controlled to realize quantitative conveying of the material with preset weight; meanwhile, the weighing unit is matched to realize the functions of weighing and re-weighing, so that the problem of low weighing precision in the batching process can be effectively solved, and the occurrence of batching errors can be reduced.

The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.

The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.

Claims

1. An environment-friendly proportioning bin which is characterized in that: the automatic feeding device comprises a batching unit, a feeding unit and a lifting mechanism, wherein the batching unit comprises a batching bin, four electromagnetic vibration feeders, a batching bin and a lifting mechanism; the proportioning bin is divided into four independent first bins, second bins, third bins and fourth bins; the first bin, the second bin and the third bin are arranged side by side and are positioned on the left side of the proportioning bin, the fourth bin is positioned on the right side of the proportioning bin, the discharge ports of the first bin, the second bin, the third bin and the fourth bin are respectively communicated with the feed inlet of an electromagnetic vibration feeder correspondingly so as to quantitatively convey respective materials to the proportioning bin, and the front end and the rear end of the electromagnetic vibration feeder are elastically connected with the bins through springs so as to enable the electromagnetic vibration feeder to vibrate and be transmitted to the bins; the distribution bin comprises a bin body, guide plates, a bottom turning plate, a first discharging hole and a second discharging hole, wherein one guide plate is respectively arranged on two opposite inner side walls of the upper part of the bin body below the first discharging hole and the second discharging hole, the two guide plates are symmetrical with each other in the center of the bin body and form a V-shaped shape, the first discharging hole and the second discharging hole which are symmetrically arranged are arranged below the bin body, the bottom turning plate is arranged above the first discharging hole and the second discharging hole on the inner side of the bin body, the first rotating shaft is arranged in a penetrating way in the middle of the bottom turning plate, one end of the first rotating shaft is driven by a first motor to rotate so as to enable the bottom turning plate to rotate clockwise or anticlockwise, and materials on the bottom turning plate are led into the first discharging hole or the second discharging hole and then poured into the lifting mechanism from the first discharging hole or the second discharging hole;

the lifting mechanism comprises a lifting hopper and a guide rail; the two lifting hoppers are respectively communicated with a first discharge hole and a second discharge hole of the distribution bin, the two lifting hoppers alternately convey materials to the submerged arc furnace, roller groups are arranged on the front side and the rear side of each lifting hopper, the roller groups on the two sides of each lifting hopper are respectively provided with a guide rail matched with the roller groups, the section of each guide rail is in a groove shape, one opening end of each guide rail is positioned on one side of each roller group, each roller group comprises a gear and a bearing, racks matched with the gears are arranged at the bottoms of the inner sides of the guide rails, the gears rotate under the driving of a motor and move along the racks, the bearings are in rolling fit with the top wall of the inner sides of the guide rails so as to move the limiting roller groups along the trend of the guide rails, and the guide rails are sequentially arranged into an ascending section, an arc transition section and a descending section from bottom to enable the materials to be automatically turned into the submerged arc furnace when the lifting hoppers reach the descending section;

the system comprises a proportioning bin, a plurality of support columns, a dust removing unit, a plurality of horn mouth dust removing covers, a plurality of dust removing branch pipes and a dust removing device, wherein the top of the proportioning bin is fixed on the upper part of the proportioning bin through the support columns;

the environment-friendly proportioning bin further comprises a control module, the control module comprises a controller, a first position sensor and a first weighing unit, the guide rail comprises a first guide rail and a second guide rail, the lifting hopper arranged on the first guide rail is a first lifting hopper, the lifting hopper arranged on the second guide rail is a second lifting hopper, the first position sensor is arranged at the bottom end part of the first guide rail and is used for detecting first position information of the first lifting hopper reaching the bottom of the first guide rail and providing the first position information to the controller, the controller sends a first forward rotation signal to a first motor for controlling the bottom turning plate to rotate according to the first position information, the bottom turning plate turns over towards a direction close to the first lifting hopper according to the first forward rotation signal, the first weighing unit is arranged on the side wall of the first lifting hopper and used for weighing the first actual weight of the materials in the first lifting hopper and providing the first actual weight to the controller, the controller compares the first actual weight with a preset reference weight and sends a first reversing signal to the first motor according to a comparison result so that the first motor drives the bottom turning plate to reversely rotate to a horizontal state to plug the first discharging hole, and the controller sends a starting signal to a driving part for controlling the driving of the first lifting hopper according to the comparison result so that the first lifting hopper moves upwards along the first guide rail.

2. The environmental-friendly proportioning bin of claim 1, wherein: the end surfaces of the two ends of the guide rail are closed.

3. The environmental-friendly proportioning bin of claim 1, wherein: the bin also comprises a dustproof curtain unit, wherein the dustproof curtain unit comprises a rack rod, a sliding block and dustproof canvas; the rack bar is horizontally arranged on a support column of the shed roof, a slide block is arranged on the rack bar, the slide block can linearly reciprocate along the rack bar, a second rotating shaft is arranged in the slide block and meshed with the rack bar to rotationally drive the slide block to linearly reciprocate through the second rotating shaft, one end of the second rotating shaft is coaxially connected with an output shaft of a second motor, the second rotating shaft is driven to rotate by the second motor, a plurality of mounting holes are formed in the edge of one side of the dustproof canvas at intervals, the dustproof canvas is sleeved on the rack rod through the mounting holes, one side of the dustproof canvas is fixedly connected with the sliding block through the connecting hooks in a detachable mode, and the other side of the dustproof canvas is fixedly connected with one end of the rack rod.

4. The environmental-friendly proportioning bin of claim 1, wherein: the control module further comprises a second position sensor and a second weighing unit, the second position sensor is arranged at the bottom end part of the second guide rail and used for detecting second position information of the second lifting hopper reaching the bottom of the second guide rail and providing the second position information to the controller, the controller sends a second forward rotation signal to a first motor for controlling the bottom turning plate to rotate according to the second position information, the bottom turning plate turns over in a direction close to the second lifting hopper according to the second forward rotation signal so that materials in the distribution bin flow into the second lifting hopper along a second discharge hole, the second weighing unit is arranged on the side wall of the second lifting hopper and used for weighing second actual weight of the materials in the second lifting hopper and providing the second actual weight to the controller, the controller compares the second actual weight with preset reference weight and sends a second reverse rotation signal to the first motor according to a comparison result so that the first motor drives the bottom turning plate to rotate reversely to a horizontal state so that the second discharge hole is driven by the first motor, the controller sends a second blocking signal to the second lifting hopper according to the comparison result, and the second blocking part is driven to move upwards along the second guide rail.

5. The environmental-friendly proportioning bin of claim 4, wherein: the control module further comprises a timer, the controller sends a first forward rotation signal to the first motor, the four electromagnetic vibration feeders are controlled to work at a first frequency, a second frequency, a third frequency and a fourth frequency respectively according to the signals for starting vibration, the timer is controlled to synchronously count, the timer records the continuous running time of the electromagnetic vibration feeders, when the time reaches a preset time, the timer sends a signal for reaching the designated time to the controller, the controller receives the signal for reaching the time sent by the timer, the timer is controlled to stop counting, and the four electromagnetic vibration feeders are controlled to stop working.

6. The environmental-friendly proportioning bin of claim 5, wherein: the controller sends a second forward rotation signal to the first motor, and simultaneously controls the four electromagnetic vibration feeders to work at a first frequency, a second frequency, a third frequency and a fourth frequency respectively according to the signals for starting vibration, and controls the timer to synchronously count, the timer records the continuous running time of the electromagnetic vibration feeders, when reaching preset time, the timer sends a signal for reaching the designated time to the controller, the controller receives the signal for reaching the time sent by the timer, controls the timer to stop counting, and controls the four electromagnetic vibration feeders to stop working.